1 code implementation • 30 Sep 2023 • Zhenwei Zhang, Ruiqi Wang, Ran Ding, Yuantao Gu
Traditional Time-series Anomaly Detection (TAD) methods often struggle with the composite nature of complex time-series data and a diverse array of anomalies.
1 code implementation • ACL 2019 • Feng Nan, Ran Ding, Ramesh Nallapati, Bing Xiang
To measure the diversity of the produced topics, we propose a simple topic uniqueness metric.
no code implementations • ICLR Workshop LLD 2019 • Ian Gemp, Ramesh Nallapati, Ran Ding, Feng Nan, Bing Xiang
We extend NTMs to the weakly semi-supervised setting by using informative priors in the training objective.
2 code implementations • EMNLP 2018 • Ran Ding, Ramesh Nallapati, Bing Xiang
Topic models are evaluated based on their ability to describe documents well (i. e. low perplexity) and to produce topics that carry coherent semantic meaning.